News tagged with elliptical galaxies

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Why is Andromeda coming toward us?

I don't want to alarm you, but there's a massive galaxy heading our way and will collide with us in a few billion years. But aren't most galaxies speeding away? Why is Andromeda on a collision course with ...

dateJan 23, 2015 in Astronomy
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'Dead' galaxies are not so dead after all

(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

dateMay 30, 2011 in Astronomy
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Astronomers pin down galaxy collision rate

(PhysOrg.com) -- A new analysis of images from the Hubble Space Telescope combined with supercomputer simulations of galaxy collisions has cleared up years of confusion about the rate at which smaller galaxies ...

dateOct 27, 2011 in Astronomy
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Hubble spies edge-on beauty

(Phys.org) -- Visible in the constellation of Andromeda, NGC 891 is located approximately 30 million light-years away from Earth. The NASA/ESA Hubble Space Telescope turned its powerful wide field Advanced ...

dateMay 21, 2012 in Astronomy
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NGC 4696: A cosmic question mark

This picture, taken by Hubble's Advanced Camera for Surveys, is not just a beautiful snapshot of NGC 4696, the largest galaxy in the Centaurus Cluster (galaxy cluster Abell 3526). It is also an illustration ...

dateAug 12, 2010 in Astronomy
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NASA's Hubble sees a stranger in the crowd

The constellation of Virgo (The Virgin) is the largest of the Zodiac constellations, and the second largest overall after Hydra (The Water Snake). Its most appealing feature, however, is the sheer number ...

dateJul 22, 2013 in Astronomy
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Hubble catches the moment the lights went out

(Phys.org)—The further away you look, the further back in time you see. Astronomers use this fact to study the evolution of the Universe by looking at nearby and more distant galaxies and comparing their ...

dateFeb 06, 2013 in Astronomy
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Spitzer finds galaxy with split personality

(Phys.org) -- While some galaxies are rotund and others are slender disks like our spiral Milky Way, new observations from NASA's Spitzer Space Telescope show that the Sombrero galaxy is both. The galaxy, ...

dateApr 25, 2012 in Astronomy
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